HOUCHIN CREEK COAL - ELEV. (SPECIAL REPORT SERIES) --
Elevation of the Houchin Creek Coal, 1988 (1:126,720)
Shows contours that define elevation ranges (feet above sea level) of the Houchin
Creek Coal Member. Contour interval is 20 feet.
Digitized from unpublished work maps, some of which were the basis of the following
published maps: (1) Indiana Geological Survey Special Report 34, fig. 24. (2)
Indiana Geological Survey Special Report 43, fig. 25.
FGDC metadata: COAL_HOUCHIN_CREEK_ELEVATION_IN